Windmill



June 14,1927.

| s. STRIPLING WINDMILL 3 Sheets-Sheet 2 Filed June 3, 1 926 June 14,1927. 1,632,322

L. s. STRIPLING WINDMILL Filed June 1926 3 Sheets-Sheet 3 OOQQQKbdoooofi Patented June 14, 1927.

barren erases earner orifice.

LUKE S. STRIPLING, OF BURKBURNE'IT, TEXAS, ASSIGNOR F ONE-HALF TO ROBERTL. GRAGG, OF BUBKB'URNET-T, TEXAS.

WINDMILL.

Application filed June 3, 1926. Serial No. 113,486.

This invention relates to windmills and has special reference to awindmill wherein the wings revolve about a vertical axis.

One object of the invention is to improve the general construction ofdevices of this character.

A second important object of the invention is to provide an improved"term of wing for such windmill.

A third important object of the invention is to provide a windmillconstruction wherein the wind power will be exerted in an inn proved andhighly elficiont manner.

A fourth important object of the invention is to provide an improved andnovel form-of shutter arrangement for the wings of such a windmill.

A fifth important object of the invention is to provide improvedarrangement for controlling the etlective area of the *ings in such awindmill.

A sixth important object ot the invention is to provide a novelarrangementwherein the wings are arranged in pairs, the wings of eachpair being provided with means for simultaneously controlling theireffective areas.

A- seventh important object the invention is to provide a novelarrangement of sets of wings of ii'l'ipii'oved character, the arangement being such that each sethas its wings brought into operativeposition at equal intervals, the wings of the several sets also beingbrought successively into operative position at equal intervals.

An eighth important object of the invention is to provide an improvedand novel term 01" pump jack for use in connection with this windmill.

With the above and other objects in View as will be hereinattn?apparent, the invention consists in general of certain novel details ofconstruction and combinations of parts hereinafter fully described,illustrator in the accompanying drawings and specifically claimed.

In the accompanying drawings like characters ofreterenceindicatelikepartsin the several views, and:

Figure l is a side elevation of a windmill tower SllOWlDjQ' theinvention applied thereto, certain of the parts being broken away.

of the main. drive shaft.

Figure 2 is an enlarged side elevation of one of the wings, the viewbeing from the rear thereof.

Figure 3 is an enlarged detail section 011 the line3-3 of Figure 2.

Figure l is an enlarged detail section on the line l l of Figure 1.

Figure 5 is a plan view of the bottom plate of a ball thrust bearingused herewith.

Figure 6 is a transverse section taken diametrically through said. ballbearing.

Figure 7 is a top view of the pump jack.

Figure 8 is a side elevation of said pump jack.

Figure 9 is a detail elevation of a portion While a tower or derrick hasbeen shown in the accompanying drawings much of the bracing has beenomitted for the sake of clearly disclosing the invention itself.

It is not to be understood that such omission of bracing is necessary asthe invention is not limited to application to any particular form oftower but I may use any tower which I may find tobe of suitable strengthand construction. Furthermore certain details such as bearings and thelike have been shown and will be described. in order-that the inventionmay be understood. 1 do not limit myself, however, to the exact form ofconstructional details of this character here shown and described sinceI may use such types of bearings and the like as I may find expedient inany particular case.

Again, while it will be found that the invention as described calls forfive sets of wings with tour wings in each set, such invention isbroader than any particular numbersof sets or wings and I am not to beconfined to the numbers ll find at this time to be most expedient.

In the embodiment ot the inventionhere disclosed there is shown a toweror derrick having upright corner posts 10 supportin a platform l1 atthetop. This top is reached by a suitable stair 12. These parts may beof any desired material and shape and a =u-sef-ul-1naterial for thepostsis found to beisteel angle bars. Supported on theplatform is a bearing13and adjacent the bottom of the tower is a ball bearing of the thrusttype. This-latter bearing consists of a bot tom plate 14: provided withball grooves in which are held balls 16. On these balls rests an upperplate 17 having a collar 18 which is firmly secured to the power shaft-19. This shaft is also journalled in the bearing 3 and otherintermediate bearings, such as is shown at 20 may be provided for longshafts and high towers. Preferably the plate leis made of suitable hardsteel and is square in form so that bars 21 may be bolted thereto, asshown inFigure 5, and extend diagonally to the corner posts 10 and therebe firmly secured. Braces 22 may also be used to render the structurerigid and thus provide a firm support for the hearing. The intermediatehearing may be supported in like manner if desired. Projecting up fromthe fixed plate 14 is a pivot pin 23 whereon is pivoted a brake. lever2st having one end bearing against the shaft 19 and its other endworrzing over a notched bar 25 of the type usual for holding such leversin adjusted position.

Mounted on the foundation 26 are suitable standards 27 which supporthorizontally alined bearings 28 wherein is journalled the main driveshaft 29. On the lower end of the shaft 19 is a bevel pinion 30 whichmeshes with a bevel gear 31 fixed on the shaft 29. On one end of theshaft 29 is a bevel pinion 32 which meshes with a bevel gear 33 fixed ona shaft M by means of which power may be transmitted to any desiredmachinery. Also one or more belt or band wheels 35 may be fixed on theshaft 29.

Fixed on the portion of the shaft 19 which projects above the platform11 is a series of spaced center plates 36 each having a collar 3'7projecting from its underside. This collar surrounds and is securelybolted to the shaft. I have found that it is best to use five of theseplates and their accompanying parts but I have here indicated but two ofsuch plates with their accompanying parts as it is deemed unnecessary toextensively duplicate these parts in the drawings and the invention canbe well understood without such showing. From each center plate radiatesarms 38, preferably four in number and arranged in right angularlydisposed pairs so that the arms are evenly spacedcircumfen entiall Thearms of each plate are dis placed angularlywith respect to the arms ofthe plate nest below one fifth of a circle or seventy-two degrees.Bolted to each of the arms is a horizontally extending wing frame 39 andthrough the vertical ends of each frame extends a shutter rod l0. Oneach rod is swingingly mounted a series of shutter leaves or vanes 11.The rod 10 is arranged near the top of the respective frame and extendsthrough suitable thickened portions near the tops of the leaves so thatthe normal tendency of these leaves is to hang vertically. In the bottommember of the frame is a rabbet 42 which receives the lower ends of theleaves when in vertical position and these leaves bear against thevertical side of this rabbet when in fully closed position and acted onby the wind. Thus the leaves are limited in movement in one direction.These leaves can swing from vertical to horizontal position as they dowhen the windmill revolves and the wind is blowing against the backs ofthe leaves. In rder to limit the lift of the leaves stop lugs 43' areprovided on the upper member of the frame. In the larger sizes ofwindmills it is advisable to support the shutter rods intermediate theirends and for this purpose a bracketlt having depending bearing ends maybe fixed'to the frame. A. trip bar 4.5 extends along the front of eachseries of leaves and is provided with upturned ends 46 fixed securely tothe shutter rod. Fixed on the inner end of each shutter rod is a rockarm 47 to which is connected one end of a pull cable 48. These pullcables are connected in pairs to rings 19 provided with hand grips 50.The cables connected to each ring extend to the rock arms ofdiametrically disposed wings and lead through cable guides on a table 51fixed to the shaft 19. Thus by pulling on a hand grip opposite series ofleaves may be raised to partially or fully open position as desired andthe effective area of the wings diminished to any desired extent. Thisadjustment is not only useful when it is desired to stop the windmill(in which case all the trip rods are raised) but is also useful, when itis desired to reduce the speed and especially when high winds areblowing.

In order to prevent too great movement of the trip bar and to brace thesame at the middle, a brace 47 is fixed to the top and bottom members ofthe frame to the rear of said trip bar.

In order to produce even and smooth motion of the device and to preventthe varia tions in speed frequently noticed in windmills when gustywinds are blowing, there is provided on the shaft a collar 51 firmlyfixed to said shaft and supporting a pair of arms 52 carrying pins 53which pass through slots 54 formed in governor arms 55. These arms arepivoted at their upper ends to a col.- lar 56 slidably mounted on theshaft 19 and have at their lower ends heavy governor balls 57 by whichthe collar is normally held raised. These balls, upon increase of speedmove outwardly and upwardly and thus, through their fly wheel effect,tend to regulate the speed and cause the device to revalve evenly.

On the remaining end of the shaft 29 is fixed a crank disk 58 carrying acrank pin 59. This disk and pin are used for converting the rotarymotion of the shaft 29 to reciprocatingmotion such as is used in001111667;

tion with my pump ack which will now be described.

This pump jack includes a U-shaped frame having a base 60 securelyclamped to the upper end ofa casing 61 and projecting upwardly from thiscasing to move up and down therein is a sucker rod 62 having a series ofspaced holes 63 in its upper end. A headed pin 64 is provided which maybe inserted in any desired hole 63 and is suitably secured by a cotterpin so that the pin cannot slip out. It may be here noticed that allother pins are provided with suitable cotters for the same purpose. Onthe pin 64 is pivoted one end of a link 65 which has its other endpivoted to the crank pin 59 and it is to be noticed that this crank pinmay be mountedin any one of a series of holes 66 in the disk 58 so thatthe throw of the crank may be thus adjusted to suit desired movements ofthe sucker rod 62. At each end of the base portion 60 is an upright arm6? which carries at its upper end a pin 68 whereon is pivoted a lever69, the lever having a series of holes 70 therein so that the lever maybe selectively positioned on the pin. The inner ends of these leverscarry pins 71 on which are pivoted the forked links 72 vhich have theirforked ends straddling the upper end of the sucker rod and are pivotallyconnected thereto by a pin 73 passing through one of the holes 63.Slidably mounted on the levers 69 are weights 74 which are secured indesired positions by pins 75 passing through selected holes 70. Thusthese weights assist in counterbalancing the weight of the sucker rod.On top of the casing 61 rests a plate 7 6 and above this is a secondplate 77 which is held from sliding up on the sucker rod by a pin 78which may be inserted through any desired opening 63 to properly tensionthe coiled spring 79 surrounding the sucker rod between theseplates. Athird plate 80 is similarly positioned. by a pin 81 and between thesecond and third plates is a coiled spring 82. The base 60 is providedwith clamp bolts 83 and these bolts carry the lower ends of zig-zagsprings 84 which have their upper ends firmly secured to the plate 80.By means of this arrangement the weight of the sucker rod is properlybalanced and the pump operated with very little loss of power.

It is to be noted'tha't lips 43 are turned up on the wing between the'stops'l3 to defiect the wind downwardly.

It will be noted, also, that theweights 74 are the means of entirelybalancing "the 'suck'erro'd weight in all open field, farm or ranchpumps but where space is a consideration the supplementary aid ofadjustments in "springs 7 9 and 82 by means of manipulating springs 79and S2 to a greater upward tension thereby lessening the necessarylength of levers 69 and the size of weights Tet which may be necessaryin engine rooms or between close walls.

There has thus been provided a simple and efficient device of the kinddescribed and for the purpose specified.

it is obvious thatminor changes may be made in theform and constructionof the invention without departing from the material spirit thereof. Itis not, therefore, des red to confine the invention to the exact formherein shown and described, but it is desired to include all such asproperly come within the scope claimed.

Having thus described the invention, what is claimed as new, is: j

1. In a windmill, a wing including a frame, a shutter rod extendinglongitudinally of the frame adjacent the upper part there-of, a seriesof shutter leaves mounted on said rod to swing relative thereto, meansto limit the swinging movement of said leaves, a trip bar engaging therear faces of the leaves, means to support the trip bar for swingingmovement about an axis adjacent the top of the frame, a rock armoperatively connected to the trip bar for swinging the same, and a pullcable connected to the rock arm.

2. In a windmill, a rectangular frame having its longer axis horizontal,a. shutter rod journalled in the ends of the frame near the top thereof,a series of leaves mounted on said rod for swinging movement vrelativethereto, a rabbet in the lower portion of the frame into which the lowerends of the leaves engage when closed, said series of leaves closelyfilling the space within said frame when closed, and stops on the upperpart of the frame engaging the leaves when fully opened to limit upwardswinging movement of said leaves.

3. In a windmill, a rectangular frame hav ing its longer axishorizontal, a shutter rod journalled in the ends of the frame near thetop thereof, a series of leaves mounted on said rod for swingingmovement relative thereto, 'a rabbet in the lower portion of the frameinto which the lower ends of the leaves leaves closely filling the spacewithin said frame when closed, stops on the upper part of the frameengaging the leaves when fully opened to limit upward swinging movementof said leaves, and manually controlled means to regulate the extent ofclosing of said leaves.

l. In a windmill, a rectangular frame having its longer axis horizontal,a shutter'r'od journalled in the ends of the frame near thetop thereof,a series of leaves mounted on said rod for swinging movement relativethereto, a rahbet in the lower portion of the frame into which the lowerends of the leaves engage when closed, said series of engage whenclosed, said series of leaves closely filling the space within saidframe when closed, stops on the upper part of the frame engaging theleaves when fully opened to limit upward swinging movement of saidleaves, a trip bar extending longitudinally of the frame and normallypositioned within the frame for engagement by the rear faces of theleaves when closed, arms projecting upwardly from the ends of the tripbar and having their upper ends fixed on the shutter rod, a rock armfixed in one end of the shutter rod, and a manually operable pull-cablehaving one end fixed to the free end of the rock aim.

5. In a windmill having a vertical shaft supported for free revolution,a series of horizontal wing frames radiating'from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinallyof a respective frame, series of shutter leaves, each series beingmounted on a respective rod to swing between vertical and horizontalpositions relative thereto, means on each frame for limiting theswinging movement of the series of leaves thereby,

means for raising each series from vertical towards horizontal position,and manually controlled means for simultaneously oper ating each pair ofopposite wings of the series.

6. In a windmill having a vertical shaft supported for free revolution,a plurality of vertically spaced sets of wings, each set including aseries of horizontal wing frames radiating from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinallyof a respective frame, series of shutter leaves, each series beingmounted on a respective rod to swing between vertical and horizontalpositions relative thereto, means on each frame for limiting theswinging movement-of the series of leaves thereby, means for raisingeach series from vertical towards horizontal position, and manuallycontrolled means for simultaneously operating each pair of oppositewings of the series, each set of wings being circumferentially displacedrelative to the adjacent sets.

7. In a windmill having a vertical shaft supported for free revolution,a plurality of vertically spaced sets of wings, each set including aseries of horizontal wing frames radiating from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinallyof a respective frame, series of shutter leaves, each series beingmounted on a respective rod to swing between vertical and horizontalpositions relative thereto, means on each frame for limiting theswinging movement of the series of leaves thereby, means for raisingeach series from vertical towards horizontal position, and manuallycontrolled means for simultaneously operating each pair of oppositewings of the series, each set of wings being circumferentially displacedrelative to the adjacent sets, the spacing of each set relative to theadjacent lower set being in the same direction and equal in amountwhereby to produce equal power in all positions of said sets.

8. In a windmill having a vertical shaft supported for free revolution,a series of horizontal wing frames radiating from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinallyof a respective frame, series of shutter leaves, each series beingmounted on a respective rod to swing betweenvertical and horizontalpositions relative thereto, means on each frame for limiting theswinging movement of the series of leaves thereby, each frame alsohaving a trip bar engaging the rear faces of the leaves, means tosupport the trip bar for swinging movement about an axis adjacent thetop of the frame, a rock arm operatively connected to the trip barswinging the same, and a pullcable connected to the rock arm.

9. In a windmill having a vertical shaft supported for free revolution,a series of horizontal wing frames radiating from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinallyof a respective frame, series of shutter leaves, each series beingmounted on a respective rod to swing between verticalv and horizontalpositions relative thereto, means on each frame for limiting theswinging movement of the series of leaves thereby, each frame alsohaving a trip bar extending longitudinally of the frame and normallypositioned within the frame for engagement by the rear faces of theleaves when closed, arms projecting upwardly from the ends of the tripbar and having their upper ends fined'on the shutter rod, a rock armfixed in one end of the shutter rod, and a manually operable pull cablehaving one end fixed to the free end of the rock arm.

10. In a windmill having a vertical shaft supported for free revolution,a series of horizontal wing frames radiating from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinally.of a respective frame, series of shutter leaves, each series beingmounted on a respective rod to swing between vertical and horizontalpositions. relative thereto, means on eachframe for limiting the swinging movement of the series of leaves thereby, means for raising eachseries from vertical towards horizontal position, manually cont-rolledmeans for simultaneously operating each pair of opposite wings of theseries,

and a governor carried by said shaft to prevent sudden variations in thespeed thereof. 11. In a windmill having a vertical shaft supported forfree revolution, a plurality of vertically spaced sets of Wings, eachset including a series of horizontal wing frames radiating from andfixed on the shaft at equally spaced intervals,'shutter rods eachextending longitudinally of a respective frame, series of shutterleaves, each series being mounted on a respective rod to swing betweenvertical and horizontal positions relative thereto, means on each framefor limiting the swinging movement of the series of leaves thereby,means for raising each series from vertical towards horizontal position,manually controlled means for simultaneously operating each pair ofopposite wings of the series, each set of wings being circiunferentiallydisplaced relative to the adjacent sets, and a governor carried by saidshaft to prevent sudden variations in the speed thereof.

12. In a windmill having a vertical shaft supported for free revolution,a plurality of vertically spaced sets of wings, each set including aseries of horizontal wing frames radiating from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinallyof arespective frame, series of shutter leaves, each series beingmounted on a respective rod to swing between vertical and horizontalpositions relative thereto, means on each frame for limiting theswinging movement of the series of leaves thereby, means for raisingeach series from vertical towards horizontal position, manuallycontrolled means for sin'iultaneously operating each pair of oppositewings of the series, each set of Wings being circumferentially displacedrelative to the adjacent sets, the spacing of each set relative to theadjacent lower set being in the same direction and equal in amountwhereby to produce equal power in all posi tions of said sets, and agovernor carried by said shaft to prevent sudden variations in the speedthereof.

18. In a windmill having a vertical shaft supported for free revolution,a series of horizontal wing frames radiating from and fixed on the shaftat equally spaced intervals, shutter rods each extending longitudinallyof a respective frame, series of shutter leaves, each series beingmounted on a respective rod to swing between vertical and horizontalpositions relative thereto, means on each frame for limiting theswinging movement of the series of leaves thereby, each frame alsohaving a trip barengaging the rear faces of the leaves, means to supportthe trip bar for swinging movementabout an axis adjacent the top of theframe, a rock arm operatively connected to the trip bar swinging thesame, a pull cable connected to the rock arm, and a governor carried 'bysaid shaft to prevent sudden variations in the speed thereof.

14. In a. windmill having a vertical shaft supported for freerevolution, a series of horizontal wing frames radiating from and fixedon the shaft at equally spaced intervals, shutter rods each extendinglongitudinally of a respective frame, series of shutter leaves, eachseries being mounted on a re spective rod to swing between vertical andhorizontal positions relative thereto, means on each frame for limitingthe swinging movement of the series of leaves thereby, each frame alsohaving a trip bar extending longitudinally of the frame and normallypositioned within the frame for engagement by the rear faces of theleaves when closed, arms projecting upwardly from the ends of the tripbar and having their upper ends fixed on the shutter rod, a rock armfixed in one end of the shutter rod, a manually'operable pull cablehaving one end fixed to the free end of the rock arm, and a governorcarried by said shaft to prevent sudden variations in the speed thereof.

In testimony whereof I affix my signature.

LUKE S. STRIPLING.

